Since the shear strength of the material forming the system in the figure is Tem = 7 MPa and the shear modulus G = 100 MPa, the maximum M value under the effect of torsion moments applied on the...

Since the shear strength of the material forming the system in the figure is Tem = 7 MPa and the shear modulus G = 100 MPa, the maximum M value under the effect of torsion moments applied on the system and at point D under this effect Find the rotation that will occur